Jay Leno

Catch a peek of Jennifer Aniston on the hilarious and wild season finale of Chelsea Handler's "After Lately," airing Sunday, Jan. 29 at 11PM on E!.

Get more "Extra" Scoop headlines for Tuesday, January 24!

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Album Review: Tim McGraw's 'Emotional Traffic' -- L.A. Times

WikiLeaks Founder Julian Assange Creating TV Talk Show -- FOX News

On the long, televised road to redemption, Charlie Sheen made a guest appearance on the "Tonight Show with Jay Leno" and talked about the "runaway train" he was on... and how he now wants to make it right and move on.

Watch Part 1!

Reality star Kim Kardashian stopped by "The Tonight Show" on Tuesday and chatted with Jay Leno about her engagement to Kris Humphries... and her gargantuan 20.5 carat engagement ring. Jay questioned the authenticity of the jewel. "If it burns, it's not real, it's cubic," adding, "If it's fake, Mr. Humphries has some explaining to do."

Kim hesitantly handed over the ring to Leno, who placed it in a small metal holder and lit a match. The ring lit up immediately and turned black.

Lindsay Lohan received a surprising standing ovation when she made a guest appearance on the "Tonight Show," which was pre-taped on Monday and will air tonight.

The actress said her 120-day jail sentence was "shocking," adding that she felt "kind of numb." Lohan, 24, believes she has matured and can stay out of trouble. "I think that when, you know, being young and being in the position I was in, you don't really take the time to appreciate what you have and it's all kind of a whirlwind, and people make decisions for you. But I'm not a kid anymore -- I'm 24, I've made a lot of mistakes and I recognize that. I'm in the clear now, and as long as I stay focused, I can achieve what I want to achieve."

Actor and new father Owen Wilson appeared on "The Tonight Show with Jay Leno" on Tuesday and revealed he received 24 stitches to his head after a recent surfing accident in Hawaii.

"I took on a wave that was probably too big for me. I went off the back and the board kinda caught air and the board came back and hit me in the forehead and I got 24 stitches," Wilson said.

After telling Leno about his brother's encounter with a shark, Owen admitted he was fearful of getting attacked as he paddled back to shore, bleeding. "I was thinking about the shark as I was paddling back in with a little blood dripping into the same cove where my brother was attacked recently!"

See what else the actor had to say during his appearance on "The Tonight Show."

California Gov. Arnold Schwarzenegger made a guest appearance on "The Tonight Show" with Jay Leno -- and the late-night host showed how the Governator's daughter, Katherine, and wife, Maria Shriver, conducted themselves during an "Extra" interview. Watch the outtakes!